Answer:
very thick cloth or something maybe wool
Explanation:
1 Is advantage because with out is. you couldn't carry the piano at all.
2 Efficiency because it is going against you.
Answer:
55.80s
Explanation:
Power is calculated using the expression
Power = Work done/Time
Workdone= Force ×distance
Workdone = 794×22
Work done = 17468Joules
From the power formula
Time = Workdone/Power
Time = 17468/313
Time = 55.80seconds
The elevator takes 55.80seconds to life the Taylor
I believe it’s “C”
Hope that’s help you(: